slice 1g: Next.js M1 overview panel + Primary-Rule lint (ADR-0007)

Symbol command bar (Zustand active-symbol) -> OverviewPanel (price + day-change
shape/color/label per P7 G3 + Recharts sparkline + sector) + signup/login + ADR-0007
footer. next.config rewrites proxy /api -> backend:3001 (same-origin cookies). Vanilla
fetch tRPC client (decoupled from server Node types). Primary-Rule lint 2/2 green.
Slice 1 tracer bullet COMPLETE: 38 tests green, live-verified end-to-end.

app/package.json

@@ -0,0 +1,37 @@
+{
+  "name": "investor-flow",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint",
+    "test": "node --test --experimental-strip-types \"src/**/*.test.ts\""
+  },
+  "dependencies": {
+    "@radix-ui/react-dialog": "^1.1.17",
+    "@radix-ui/react-dropdown-menu": "^2.1.18",
+    "@radix-ui/react-label": "^2.1.10",
+    "@radix-ui/react-select": "^2.3.1",
+    "@radix-ui/react-switch": "^1.3.1",
+    "@radix-ui/react-tabs": "^1.1.15",
+    "@radix-ui/react-toast": "^1.2.17",
+    "lucide-react": "^1.21.0",
+    "next": "16.2.9",
+    "react": "19.2.4",
+    "react-dom": "19.2.4",
+    "recharts": "^3.9.0",
+    "zustand": "^5.0.14"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "16.2.9",
+    "tailwindcss": "^4",
+    "typescript": "^5"
+  }
+}